Patent US3499953A successfully refreshed from Google Patents.
US3499953A
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Strand treatment
Assignee: Techniservice Corp
•
Filing: 1966-04-05
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Granted: 1970-03-10
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Expires: 1986-04-05
Abstract
No abstract record available.
Inventors
- 👤 Robert K Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:31
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/12; D02G1/127; G; G01; G01F; G01F1/00; G01F1/68; G01F1/696; G01F1/698
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3213171A
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US3062611A
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US3259939A
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US3106763A
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US3199281A
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US3134833A
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US3316612A
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US3271943A
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US3347960A
Cited
US3279025A
Cited
US3386142A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |